Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303731 | Liquid flow controller | Michael Doyle, Kim Ngoc Vu | 1994-04-19 |
| 5279154 | Thermal mass flow sensor | Lam Nguyen, Erik Q. Tran | 1994-01-18 |
| 4913192 | Gas flow control apparatus | — | 1990-04-03 |
| 4858643 | Fluid flow stabilizing apparatus | Michael Doyle | 1989-08-22 |
| 4686856 | Mass flow meter | Michael Doyle | 1987-08-18 |